package com.lfy.service;

import com.lfy.domian.User;

import java.util.List;

public interface Crud {
    User selectUser(String id);
    int updateUserById(User user);
    int deleteUserById(String id);
    int updateUserListById(List<User> users);
    int deleteUserListById(List<User> users);
    int insertUser() ;
}
